BORON TRIFLUORIDE-METHANOL
boron trifluoride methanol complex
CAS: 16045-88-8;373-57-9
Molecular Formula: BF3
BORON TRIFLUORIDE-METHANOL - Names and Identifiers
BORON TRIFLUORIDE-METHANOL - Physico-chemical Properties
| Molecular Formula | BF3 |
| Molar Mass | 67.81 |
| Density | 1.203g/mLat 25°C |
| Melting Point | -20 °C |
| Boling Point | 59°C4mm Hg |
| Flash Point | 52°F |
| Vapor Presure | 19.5 mm Hg ( 20 °C) |
| Appearance | Solution |
| Color | Colorless to amber |
| Refractive Index | n20/D 1.328 |
BORON TRIFLUORIDE-METHANOL - Risk and Safety
| Risk Codes | R20/22 - Harmful by inhalation and if swallowed. R34 - Causes burns R48/23 - R39/23/24/25 - R35 - Causes severe burns R26 - Very Toxic by inhalation R24/25 - R11 - Highly Flammable |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S28 - After contact with skin, wash immediately with plenty of soap-suds. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 3286 3/PG 2 |
| WGK Germany | 3 |
| Hazard Note | Flammable/Toxic |
BORON TRIFLUORIDE-METHANOL - Reference Information
| Introduction | boron trifluoride methyl alcohol complex, alias boron trifluoride dimethanol complex, is a toxic chemical intermediate, avoid direct contact. Because the B in the center of the boron trifluoride molecule does not satisfy the eight electrons (only six), it can be coordinated with a substance having a lone pair of electrons, while the oxygen in methanol has two lone pairs of electrons, therefore, oxygen takes out a pair of electrons and B are coordinated, and finally the formation of boron trifluoride methyl alcohol complex. |
| Application example | CN201010171290.8 involves a method for the synthesis of 2,3,4,4 '-tetrahydroxybenzophenone, 2,3,4,4'-tetrahydroxybenzophenone was synthesized from pyrogallic acid and p-Hydroxybenzoic acid using methanol solution of boron trifluoride as catalyst. 2,3,4,4 '-tetrahydroxybenzophenone was prepared by acylation reaction of pyrogallic acid and p-Hydroxybenzoic acid in methanol solution of boron trifluoride at a certain temperature. |
Last Update：2024-04-10 22:41:56
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